Portable refrigeration system



FIG. 1 is a right and top side, front perspective view of a portablerefrigeration system showing our new design.

FIG. 2 is a left and bottom side, rear perspective view thereof.

FIG. 3 is a right view thereof.

FIG. 4 is a left view thereof.

FIG. 5 is a front view thereof.

FIG. 6 is an enlarged rear view thereof.

FIG. 7 is a top view thereof.

FIG. 8 is a bottom view thereof.

FIG. 9 is a right and top side, front perspective view of the portablerefrigeration system with its top cover in an open position revealing arefrigerated compartment.

FIG. 10 is a left and bottom side, rear perspective view of the portablerefrigeration system with its top cover in the open position.

FIG. 11 is a left view of the portable refrigeration system with its topcover in the open position; and,

FIG. 12 is an enlarged top view of the portable refrigeration systemwith its top cover in the open position revealing the refrigeratedcompartment.

The broken lines represent portions of the portable refrigeration systemthat form no part of the claim.

CLAIM The ornamental design for a portable refrigeration system, asshown and described.